Quarterly Financial Information (Summary Of Quarterly Financial Information) (Details) (USD $) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Quarterly Financial Information Summary Of Quarterly Financial Information Details Usd
Total Revenues	$ 7,926,085	$ 8,228,464	$ 8,266,835	$ 8,335,186	$ 8,312,038	$ 9,077,819	$ 8,578,999	$ 8,607,845	$ 32,756,570	$ 34,576,701	$ 37,120,751
Income Before Taxes	748,757	1,134,429	198,872	772,978	989,954	1,946,354	1,087,686	1,726,174	2,855,036	5,750,168	3,220,581
Net Income	$ 550,988	$ 745,595	$ 156,775	$ 500,370	$ 644,190	$ 1,274,652	$ 706,687	$ 1,114,347	$ 1,953,728	$ 3,739,876	$ 2,329,152
Basic Earnings Per Share	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.12	$ 0.24	$ 0.13	$ 0.21	$ 0.37	$ 0.70	$ 0.44
Diluted Earnings Per Share	$ 0.10	$ 0.14	$ 0.03	$ 0.09	$ 0.12	$ 0.24	$ 0.13	$ 0.21	$ 0.36	$ 0.70	$ 0.44